/ Thesaurus / L Synonyms of linolenic acid Find synonyms for: Noun1. linolenic acid, omega-6 fatty acid, omega-6usage: a liquid polyunsaturated fatty acid that occurs in some plant oils; an essential fatty acidWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: reticent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language